Tips for increasing suction when cupping: 1. Use in winter, put the suction cups in hot water for 3-5 minutes and dry the suction cup. 2. Wipe the window surface dry, there should be no fogging or dripping. 3. Firmly squeeze the air when using the suction cup. Cat window rod, easy to assemble. Strong plastic suction cups. Durable and safe. Breathable, soft and comfortable. 5. Product data: After installation: L size 67mm x 39.5mm, stainless steel wire length 68mm, screw suction cup diameter: 60mm, large suction cup diameter: 90mm. The diameter of the pipe is 25 mm and the load is 55 pounds 55 (25 kg).
